﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WinForm
{
    public partial class EditForm : Form
    {
        public EditForm()
        {
            InitializeComponent();
        }

        private int id;

        public EditForm(int id,string name,int age,int score)
        {
            InitializeComponent();
            this.id = id;
            textBox1.Text = name;
            textBox2.Text = age.ToString();
            textBox3.Text = score.ToString();
        }

        /// <summary>
        /// 确定保存
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button1_Click(object sender, EventArgs e)
        {
            var name = textBox1.Text;
            var age = textBox2.Text;
            var score = textBox3.Text;

            //更新
            if (this.id > 0)
            {
                var sql = string.Format("update Students set Name='{0}',Age={1},Score={2} where Id={3}", name, age, score, this.id);

                DbHelper.AddOrUpdateOrDelete(sql);

                MessageBox.Show("更新成功","提示");
            }
            //添加
            else
            {
                var sql = string.Format("insert into Students(Name,Age,Score) values('{0}',{1},{2})", name, age, score);

                DbHelper.AddOrUpdateOrDelete(sql);

                MessageBox.Show("添加成功","提示");
            }

            //窗体关闭通知
            this.DialogResult = DialogResult.Yes;

            //关闭页面
            this.Close();
        }

        /// <summary>
        /// 取消
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button2_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.No;
            this.Close();
        }
    }
}
